According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 992.02% higher in 2025 versus 1955 (a $2,566,177,783,215.55 difference in value).
Between 1955 and 2025: Chicago experienced an average inflation rate of 3.47% per year. This rate of change indicates significant inflation. In other words, $258,682,187,409 in Chicago in the year 1955 would cost $2,824,859,970,624.55 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.61% during this same period, inflation in Chicago was lower.
In the year 1955: Pricing changed by 0.67%, which is below the average yearly change in Chicago during the 1955-2025 time period. Compared to inflation for all items in 1955 (-0.29%), inflation in Chicago was higher.
Below are calculations of equivalent buying power in Chicago, over time, for $258,682,187,409 beginning in 1955. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1955 | $258,682,187,409.00 | 0.67% |
| 1956 | $262,282,605,146.01 | 1.39% |
| 1957 | $270,814,029,783.70 | 3.25% |
| 1958 | $279,032,374,618.18 | 3.03% |
| 1959 | $281,302,203,191.51 | 0.81% |
| 1960 | $285,215,700,731.74 | 1.39% |
| 1961 | $286,624,559,846.22 | 0.49% |
| 1962 | $289,598,817,976.79 | 1.04% |
| 1963 | $292,494,806,156.56 | 1.00% |
| 1964 | $293,668,855,418.63 | 0.40% |
| 1965 | $297,582,352,958.86 | 1.33% |
| 1966 | $306,505,127,350.57 | 3.00% |
| 1967 | $314,488,662,332.64 | 2.60% |
| 1968 | $327,794,553,969.41 | 4.23% |
| 1969 | $345,718,372,703.65 | 5.47% |
| 1970 | $365,520,670,257.20 | 5.73% |
| 1971 | $379,922,341,205.23 | 3.94% |
| 1972 | $390,723,594,416.26 | 2.84% |
| 1973 | $415,222,089,018.08 | 6.27% |
| 1974 | $459,131,531,419.42 | 10.57% |
| 1975 | $495,370,518,641.92 | 7.89% |
| 1976 | $519,086,313,735.70 | 4.79% |
| 1977 | $551,724,883,221.19 | 6.29% |
| 1978 | $599,704,363,064.37 | 8.70% |
| 1979 | $674,530,436,033.51 | 12.48% |
| 1980 | $771,819,984,883.55 | 14.42% |
| 1981 | $845,706,818,443.04 | 9.57% |
| 1982 | $903,391,772,185.98 | 6.82% |
| 1983 | $939,395,949,556.07 | 3.99% |
| 1984 | $974,852,237,270.53 | 3.77% |
| 1985 | $1,011,639,114,148.66 | 3.77% |
| 1986 | $1,032,772,000,865.89 | 2.09% |
| 1987 | $1,075,350,854,103.56 | 4.12% |
| 1988 | $1,117,381,817,685.59 | 3.91% |
| 1989 | $1,173,892,722,166.47 | 5.06% |
| 1990 | $1,236,978,302,514.93 | 5.37% |
| 1991 | $1,287,149,340,980.64 | 4.06% |
| 1992 | $1,324,875,457,268.42 | 2.93% |
| 1993 | $1,365,732,371,588.39 | 3.08% |
| 1994 | $1,395,631,492,795.73 | 2.19% |
| 1995 | $1,440,010,554,901.90 | 3.18% |
| 1996 | $1,478,519,370,697.73 | 2.67% |
| 1997 | $1,518,984,935,263.68 | 2.74% |
| 1998 | $1,549,588,486,028.25 | 2.01% |
| 1999 | $1,581,679,165,858.12 | 2.07% |
| 2000 | $1,632,476,363,930.26 | 3.21% |
| 2001 | $1,674,976,947,217.13 | 2.60% |
| 2002 | $1,701,667,000,441.47 | 1.59% |
| 2003 | $1,732,974,980,763.29 | 1.84% |
| 2004 | $1,771,718,606,411.54 | 2.24% |
| 2005 | $1,825,333,522,712.64 | 3.03% |
| 2006 | $1,862,746,559,197.21 | 2.05% |
| 2007 | $1,923,727,460,568.54 | 3.27% |
| 2008 | $1,996,217,958,205.67 | 3.77% |
| 2009 | $1,972,356,581,003.40 | -1.20% |
| 2010 | $1,999,362,844,829.00 | 1.37% |
| 2011 | $2,053,967,876,007.78 | 2.73% |
| 2012 | $2,085,156,103,304.87 | 1.52% |
| 2013 | $2,109,016,697,807.63 | 1.14% |
| 2014 | $2,145,859,146,350.83 | 1.75% |
| 2015 | $2,139,515,366,838.13 | -0.30% |
| 2016 | $2,153,692,403,027.35 | 0.66% |
| 2017 | $2,194,169,708,085.92 | 1.88% |
| 2018 | $2,232,630,779,211.76 | 1.75% |
| 2019 | $2,265,263,869,800.70 | 1.46% |
| 2020 | $2,290,548,977,408.10 | 1.12% |
| 2021 | $2,387,162,273,883.19 | 4.22% |
| 2022 | $2,567,468,063,354.56 | 7.55% |
| 2023 | $2,652,877,016,371.98 | 3.33% |
| 2024 | $2,744,692,364,862.75 | 3.46% |
| 2025 | $2,824,859,970,624.55 | 2.92%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Chicago, Illinois:
| Year | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
| CPI | 10.000 | 10.017 | 10.317 | 11.758 | 13.733 | 16.667 | 19.850 | 18.175 | 17.167 | 17.375 | 17.717 | 18.108 | 18.425 | 18.258 | 17.692 | 17.650 | 17.458 | 15.958 | 14.083 | 12.633 | 12.717 | 13.267 | 13.533 | 14.092 | 13.992 | 13.717 | 13.792 | 14.517 | 15.958 | 16.850 | 17.108 | 17.475 | 19.033 | 22.108 | 24.033 | 24.008 | 24.250 | 26.158 | 26.725 | 26.958 | 27.358 | 27.542 | 27.925 | 28.833 | 29.708 | 29.950 | 30.367 | 30.517 | 30.833 | 31.142 | 31.267 | 31.683 | 32.633 | 33.483 | 34.900 | 36.808 | 38.917 | 40.450 | 41.600 | 44.208 | 48.883 | 52.742 | 55.267 | 58.742 | 63.850 | 71.817 | 82.175 | 90.042 | 96.183 | 100.017 | 103.792 | 107.708 | 109.958 | 114.492 | 118.967 | 124.983 | 131.700 | 137.042 | 141.058 | 145.408 | 148.592 | 153.317 | 157.417 | 161.725 | 164.983 | 168.400 | 173.808 | 178.333 | 181.175 | 184.508 | 188.633 | 194.342 | 198.325 | 204.818 | 212.536 | 209.995 | 212.870 | 218.684 | 222.005 | 224.545 | 228.468 | 227.792 | 229.302 | 233.611 | 237.706 | 241.181 | 243.873 | 254.159 | 273.356 | 282.450 | 292.225 | 300.760 |